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Warning and weak reference macros which are used to generate link-time

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messages.

Obtained from: NetBSD
This commit is contained in:
Nate Williams 1994-12-23 22:38:54 +00:00
parent de761939cf
commit 1603af0d3b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=5209
1 changed files with 20 additions and 2 deletions
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22
sys/sys/cdefs.h
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)cdefs.h 8.7 (Berkeley) 1/21/94
* $Id: cdefs.h,v 1.6 1994/08/22 13:44:39 bde Exp $
* $Id: cdefs.h,v 1.7 1994/12/08 15:42:17 bde Exp $
*/
#ifndef _SYS_CDEFS_H_
@ -96,7 +96,7 @@
#define signed
#define volatile
#endif
#endif /* !__GNUC__ */
#endif /* !NO_ANSI_KEYWORDS */
#endif /* !(__STDC__ || __cplusplus) */
/*
@ -127,4 +127,22 @@
#define __pure2 __attribute__((const))
#endif
#ifdef __GNUC__
#ifdef __STDC__
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_" #alias "\",11,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs \"" msg "\",30,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
#else
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_/**/alias\",11,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs msg,30,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#endif
#endif
#endif /* !_SYS_CDEFS_H_ */